Datasheet
R8C/L35C Group, R8C/L36C Group, R8C/L38C Group, R8C/L3AC Group 5. Electrical Characteristics
R01DS0095EJ0101 Rev.1.01 Page 54 of 72
Apr 15, 2011
Note:
1. This enables the setting errors of bit rates such as 9600 bps and 38400 bps to be 0% when the serial interface is used in
UART mode.
Note:
1. Waiting time until the internal power supply generation circuit stabilizes during power-on.
Table 5.12 High-speed On-Chip Oscillator Circuit Characteristics
(V
CC = 1.8 to 5.5 V and Topr = −20 to 85°C (N version) / −40 to 85°C (D version), unless
otherwise specified.)
Symbol Parameter Condition
Standard Unit
Min. Typ. Max.
— High-speed on-chip oscillator frequency after
reset
V
CC = 1.8 V to 5.5 V
−20°C ≤ Topr ≤ 85°C
38.4 40 41.6 MHz
V
CC = 1.8 V to 5.5 V
−40°C ≤ Topr ≤ 85°C
38.0 40 42.0 MHz
High-speed on-chip oscillator frequency when
the FRA4 register correction value is written into
the FRA1 register and the FRA5 register
correction value into the FRA3 register
(1)
VCC = 1.8 V to 5.5 V
−20°C ≤ Topr ≤ 85°C
35.389 36.864 38.338 MHz
V
CC = 1.8 V to 5.5 V
−40°C ≤ Topr ≤ 85°C
35.020 36.864 38.707 MHz
High-speed on-chip oscillator frequency when
the FRA6 register correction value is written into
the FRA1 register and the FRA7 register
correction value into the FRA3 register
V
CC = 1.8 V to 5.5 V
−20°C ≤ Topr ≤ 85°C
30.72 32 33.28 MHz
V
CC = 1.8 V to 5.5 V
−40°C ≤ Topr ≤ 85°C
30.40 32 33.60 MHz
— Oscillation stability time V
CC = 5.0 V, Topr = 25°C—0.53ms
— Self power consumption at oscillation V
CC = 5.0 V, Topr = 25°C — 400 — µA
Table 5.13 Low-speed On-Chip Oscillator Circuit Characteristics
(V
CC = 1.8 to 5.5 V and Topr = −20 to 85°C (N version) / −40 to 85°C (D version), unless
otherwise specified.)
Symbol Parameter Condition
Standard
Unit
Min. Typ. Max.
fOCO-S Low-speed on-chip oscillator frequency 112.5 125 137.5 kHz
— Oscillation stability time V
CC = 5.0 V, Topr = 25°C — 30 100 µs
— Self power consumption at oscillation V
CC = 5.0 V, Topr = 25°C— 3 —µA
fOCO-WDT Low-speed on-chip oscillator frequency for the
watchdog timer
60 125 250 kHz
— Oscillation stability time V
CC = 5.0 V, Topr = 25°C — 30 100 µs
— Self power consumption at oscillation V
CC = 5.0 V, Topr = 25°C— 2 —µA
Table 5.14 Power Supply Circuit Characteristics
(V
CC = 1.8 to 5.5 V, VSS = 0 V, and Topr = 25°C, unless otherwise specified.)
Symbol Parameter Condition
Standard
Unit
Min. Typ. Max.
t
d(P-R) Time for internal power supply stabilization during
power-on
(1)
— — 2000 µs